S
M
T
W
T
F
S
27
68°
57°
28
70°
55°
29
66°
61°
30
75°
59°
1
68°
43°
2
64°
37°
3
72°
50°
4
70°
43°
5
73°
39°
6
84°
55°
7
75°
46°
8
70°
43°
9
75°
50°
10
90°
63°
11
91°
63°
12
79°
47°
13
59°
43°
14
60°
43°
15
59°
38°
16
56°
32°
17
63°
43°
18
66°
42°
19
65°
46°
20
69°
49°
21
65°
46°
22
60°
40°
23
55°
40°
24
55°
38°
25
54°
32°
26
56°
38°
27
54°
30°
28
47°
33°
29
56°
36°
30
52°
33°
31
56°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Fairfax
Fairfax's October 2026 forecast shows daily high temperatures ranging from 47° to 79°, with overnight lows between 30° and 49°. The average high for October is 59° with an average low of 39°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Fairfax. See also: November | December | January.
